Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KH

Keith Howell — 3 Patents

STSpeedline Technologies: 2 patents #27 of 83Top 35%
Caterpillar: 1 patents #4,457 of 8,398Top 55%
Davenport, IA: #102 of 349 inventorsTop 30%
Iowa: #4,706 of 15,303 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Keith Howell has been granted 3 US patents while listed as an inventor at Speedline Technologies. The first was granted in 1987 and the most recent in May 2007. Keith Howell ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Keith Howell in Davenport, IA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7213738 Selective wave solder system Eric Ludwig, Troy Beard 2007-05-08
6948650 Dross removal and solder reclamation improvements James M. Morris, David M. McDonald, Eric Wayne Becker, Joseph Wayne Brickell 2005-09-27
4650259 Method and apparatus for tensioning ground engaging endless elastomeric belts Phillip W. Alexander, Michael S. Freberg, James E. Johnston 1987-03-17 $5,618,000